Abstract
AbstractCommon reflection surface (CRS) stack is a macro‐model independent seismic imaging method. Performing CRS stack depends on determination of three attributes which are the angle of emergence (α), the radii of curvature of the NIP‐wave (RNIP), and the normal‐wave (RN). Based on the practical theoretical foundation of CRS stack, this paper presents a detailed description of implementing CRS stack on real data. Firstly, initial parameter triplet (α,RN,Rnip) is determined by a concise one‐dimensional coherency analysis on CMP stack section. Then a three‐parametric optimization method is performed on the corresponding prestack data space, the optimized attributes will be much better suited to collect energy from underground reflectors than initial attributes. Finally, optimized attributes are used to realize CRS stack.
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